Outboard tachometer application chart, Trouble shooting – Faria Instruments Suzuki User Manual
Page 4

Outboard
Tachometer
Application
Chart
Gauge 
is Erratic
A.
1.
1.
Check for insulation 
that may have been 
pushed into connection.
Fix connection.
Inspect the connection 
between the wire and 
the ring connector.
B.
1.
1.
Check wires by 
connecting one wire 
at a time to the 
tachometer directly 
from the battery or 
the signal source on 
the engine.
Relocate offensive 
appliance. Please 
refer to installation 
instructions.
Check for excessive 
electrical noise caused 
by an electrical 
appliance set to close 
to the gauge. i.e. a 
magnetic compass, a 
radio transmission.
C.
1.
1.
Check the switch on 
the back of the 
tachometer. Refer to 
chart on the next 
page. 
If the tachometer 
reads to high, then 
the switch is 
selected too low. 
2. If the tachometer reads
too low, then the switch is 
selected too high. 
A reading of Hi or 
Low may be the 
cause of alternator 
pole switch not 
selected correctly.
Trouble
Shooting
All Suzuki 4-strokes, 
DF40 and larger, will 
require a Tach/System 
Monitor or 2" System 
Monitor gauge to 
properly indicate any 
warning or diagnostic 
event. 
Make/ Year Model
# of Poles.
Trouble
Inspection
Diagnosis
Action
Suzuki 
through 2006
Less than 55 HP - All
60 HP, 65 HP thru 1985
4
50 - 60 HP Cabrea
DF 4 through 30 
25 HP & 30 HP (1993 & later)
6
55 HP & 65 HP (1985 & later)
75 HP & up (1985 & later)
75 HP and up (Cabrea)
115 HP and up (1988 & later)
12
DF 40 through DF 250, DFV6
(4 stroke)
(4 stroke)
